Prometheus

alertmanager.yml

global:
  # The smarthost and SMTP sender used for mail notifications.
  smtp_smarthost: 'localhost:25'
  smtp_from: 'alertmanager@example.org'
  smtp_auth_username: 'alertmanager'
  smtp_auth_password: 'password'
  # The auth token for Hipchat.
  hipchat_auth_token: '1234556789'
  # Alternative host for Hipchat.
  hipchat_api_url: 'https://hipchat.foobar.org/'

# The directory from which notification templates are read.
templates: 
- '/etc/alertmanager/template/*.tmpl'

# The root route on which each incoming alert enters.
route:
  # The labels by which incoming alerts are grouped together. For example,
  # multiple alerts coming in for cluster=A and alertname=LatencyHigh would
  # be batched into a single group.
  group_by: ['ALERT']

  # When a new group of alerts is created by an incoming alert, wait at
  # least 'group_wait' to send the initial notification.
  # This way ensures that you get multiple alerts for the same group that start
  # firing shortly after another are batched together on the first 
  # notification.
  group_wait: 30s

  # When the first notification was sent, wait 'group_interval' to send a batch
  # of new alerts that started firing for that group.
  group_interval: 5m

  # If an alert has successfully been sent, wait 'repeat_interval' to
  # resend them.
  repeat_interval: 3h 

  # A default receiver
  receiver: email-me


receivers:
- name: email-me
  email_configs:
  - to: abhishek.dubey@opstree.com
    from: abhishek.dubey@opstree.com
    smarthost: smtp.gmail.com:587
    auth_username: "abhishek.dubey@opstree.com"
    auth_identity: "abhishek.dubey@opstree.com"
    auth_password: "Welcome12$"